In the early eighteenth century, while still a twenty-something, George Berkeley, Bishop of Cloyne, proposed the idea that the true object of human cognition is not things but perceptions. "To be is to be perceived ...(or to perceive)" was his famous formulation. The part in parentheses is to allow for the existence of minds.
The first ten images in this series have no existence at all other than in perception. This isn't just because they're photographs. They are abstractions built over images of the interior walls of dumpsters.
The next three are exterior dumpster walls.
They are followed by fungus on a lakeside rock in Pennsylvania and a graffitied billboard in Prague.